Hopper



FIG. 1 is a perspective view of a hopper, showing our new design;

FIG. 2 is a sectional view taken through the center toward the left.

FIG. 3 is a bottom view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a rear elevational view thereof and;

FIG. 8 is a front elevational view thereof. 

The ornamental design for a hopper, as shown and described. 